The Carbon Cycle And Energy Security Flashcards

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1
Q

Define Afforestation

A

Planting trees and vegetation in the aim to increase forest cover

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2
Q

Define Biofuel

A

Burning crops and vegetation for electricity and heat

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3
Q

What is a carbon flux?

A

The movement of carbon between stores

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4
Q

What is a choke point?

A

Points in the logistics of energy and fuel that are prone to restriction (Suez Canal, straight of Malacca)

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5
Q

What is combustion?

A

The process of burning a substance to release energy

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6
Q

Define Energy mix

A

The composition of a countries energy sources

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7
Q

Define energy security

A

The access to reliable and affordable sources of energy

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8
Q

Define inorganic carbon

A

Carbon stored in carbonated rocks

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9
Q

Define Nuclear Fusion

A

The process of joining atomic nuclei together to produce energy

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10
Q

Define OPEC

A

Oil and Petroleum exporting countries

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11
Q

Define organic carbon

A

Carbon stored in plant material and living organisms

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12
Q

Define photosynthesis

A

The process of converting carbon dioxide and water into glucose and oxygen

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13
Q

What are phytoplankton?

A

Small organisms that rely on photosynthesis to survive, so intake carbon dioxide from the atmosphere

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14
Q

What is primary energy?

A

The initial source of energy. Examples are water, radioactive material and crops

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15
Q

Define respiration

A

The process of converting glucose and oxygen into carbon dioxide and energy

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16
Q

What is secondary energy?

A

The product of primary energy, mostly electricity

17
Q

What is sequestration?

A

The transfer of carbon from the atmosphere to stores elsewhere

18
Q

What is a tipping point?

A

A critical threshold where any changes to a system are irreversible after the tipping point